"Hi! My name is Cathy. My grandpa and I came from planet Rhapsodia to power up an age-old secret society. With my new friends, our mission is to battle troublemaking aliens around Singletown. We are... the Monster Buster Club!"
— Cathy Smith, the opening sequence
Monster Buster Club is a French-Canadian co-produced computer-animated series produced by Marathon, the animation company where Totally Spies! and Martin Mystery were created. It's about a foursome of twelve-year-olds (Sam, Chris, Danny, and Cathy) who, as members of an "age-old" secret society called the Monster Buster Club, protect the city of Singletown from troublemaking aliens.The four kids are all surprisingly mature for their age; not only do they not seem to depend on their parents, they've been seen to hold part-time paying jobs in spite of being twelve years old. Their only adult supervision comes from Cathy's grandfather, a well-meaning alien disguised as an old man who oversees the Monster Buster Club's operations, although he's far from a reliable mentor, being much more interested in tending to his garden.In each episode, the kids' everyday affairs are interrupted by one of the outrageous alien villains from their Rogues Gallery (often with a bizarre, harebrained scheme such as turning the entire planet Earth into an exclusive nightclub), whom the kid heroes must suit up and stop. Along the way, they must also deal with obnoxious millionaire Mark and their school principal, Ms. Rollins, who was an officer in the armed services and runs the school like a battleground.Now has a Character sheet. Tropers are encouraged to contribute.
Monster Buster Club provides examples of the following tropes:
Absurdly Spacious Sewer: The MBC network tunnels are large enough to park the MBC Pods. Those tunnels are said to be important tools for protecting humans and aliens on Earth.
Academy of Adventure: Singletown Middle School, at least for our heroes. Everyone else is unaware of the alien-battling that takes place there.
Agent Scully: Mr. Fusster. Subverted in that he's just putting on an act and he actually knows that aliens do exist. Unfortunately, Word of God says that he and the MBC will never know if Mr. Fusster is an alien.
All Part of the Show: In the episode "Acting Out", Wedge attacks Cathy during the Romeo and Juliet school play, forcing the other busters to intervene in full view of their classmates. Thankfully, they manage to make the whole thing pass for a Sci-Fi retake of the play with John's help.
Baby Planet: Planet Nebulak, which looks like a bowling ball.
Badass Normal: Even without their weapons they can still kick alien butt. Except Chris.
Bad Santa: Dingle, but he's actually sharing joy in Christmas.
Batman Gambit: Danny pulls off one of these in "World's Toughest Kid", tricking Brian by switching the direction of the zapper he was holding, so when Brian took it from him, he ended up shooting himself.
Bizarre Sexual Dimorphism: Grampa Smith, in his true form, looks like a sort of blue-skinned fish-fly thing with four limbs. Cathy's true form, on the other hand, has six tentacle-like limbs, white skin with pink spots, three crests on her head, and a squirrel-like tail. This is assuming that Grandpa Smith and Cathy belong to the same species; Cathy may well be adopted, seeing that we never hear anything about her birth parents.
Class Trip: "Pipe Dreams". Who wants to go on a field trip in the city sewers?
Cliffhanger: The last episode "Goodbye Earth" ends with the MBC returning to Earth after the virus is eliminated. Word of God states that Cathy and Mr. Smith will continue to stay on Earth as along as there are evil aliens in town, while the MBC continues to hunt alien criminals.
Color-Coded Characters: The MBC suits are color-coded according to the member's V-coms. Cathy wears pink, Danny wears red, Sam wears yellow, Chris wears blue and Elton wears green. Does this remind you of Power Rangers?
Gone to the Future: In one of the episodes, Danny accidentally goes to the future and sees alien invaders destroying Singletown. Whats worse is that the MBC's secret is revealed through Mark's website. Good thing that the MBC Set Right What Once Went Wrong by taking Mark's video camera.
Hate Plague: In "Outcraker's Badland Galaxy Tour", the MBC argued with each other because of Outcraker's schemes. They don't realize that their teamwork is required in order to continue their authorization to the club.
Magic Dance: Cathy and Mr. Smith do this to activate their powers.
The Masquerade: Both aliens and MBC members keep their true identities secret.
May-December Romance: Mr. Smith is a thousand years older than Principal Rollins. Principal Rollins has had secret feelings for Mr. Smith ever since she found out that he's worked in the military before. (He has, just not the one she's thinking of.)
Meaningful Name: Mr. Smith's first name "Hugo" means "intelligent" in Spanish.
Cathy mentioned that the MBC was created centuries ago. She didn't explained about the history of the club, though. Unfortunately, Word of God says that he doesn't know the details about the origin of MBC. All he knows is that Addison Single is the founder of Singletown and he wanted to create a place where aliens and human will live peacefully together.
Not to mention Cathy and her wacky experiences back in Rhapsodia.
Obviously Evil: In "The Trouble with Troublemaking", Gluten is supposed to be disguised as the detention monitor, but does nothing but look psychotic and shout things like "No talking!" repeatedly. After he drops the act and starts acting like his normal alien self he acts perfectly normal. He explains that he was under the impression that's how detention monitors normally act.
Tron Lines: The kids' fluorescent costumes give off this effect in the dark.
Trust Me, I'm an X: In "It's Not Good to Be King", Principal Rollins attempts to cure Cathy's cold. What's worse is that the school doesn't have at least one nurse (Principal Rollins fired her for being "too soft").
Two Girls to a Team: Cathy and Sam. Then again, there are only four members of the team, so that's technically half.